With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
csqCosMutationMappingTable
Cisco Switch QOS Cos Mutation Mapping Table
1.3.6.1.4.1.9.9.580.1.3.3
This table provides management information for CoS mutation mapping. CoS mutation is applied to ingress traffic. This mutation occurs before the CoS to DSCP mapping for applicable traffic as specified in csqCosToDscpTable.
Back to CISCO-SWITCH-QOS-MIB MIB page.
IPHost Network monitor allows you to monitor csqCosMutationMappingTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.